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Lady_Fox [76]
3 years ago
10

What is probability of randomly selecting a marble and getting black or red? a bag contains 5 black marbles, 10 red marbles, and

20 blue marbles?
Mathematics
1 answer:
seropon [69]3 years ago
7 0
This is a mutually exclusive event because you can't choose both at the same turn you can only pick one or the other. so we add the event chances together,
5/35 + 10/35 = 15/35 or reduced 3/7
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